/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package freemarker.ext.beans;

import java.beans.MethodDescriptor;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;

class AlphabeticalMethodSorter implements MethodSorter {

    private final boolean desc;
    
    public AlphabeticalMethodSorter(boolean desc) {
        this.desc = desc;
    }

    public MethodDescriptor[] sortMethodDescriptors(MethodDescriptor[] methodDescriptors) {
        ArrayList<MethodDescriptor> ls = new ArrayList<MethodDescriptor>(Arrays.asList(methodDescriptors));
        Collections.sort(ls, new Comparator<MethodDescriptor>() {
            public int compare(MethodDescriptor o1, MethodDescriptor o2) {
                int res = o1.getMethod().toString().compareTo(o2.getMethod().toString());
                return desc ? -res : res;
            }
        });
        return ls.toArray(new MethodDescriptor[ls.size()]);
    }
    
}